20554037

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2081}}^1$

素因数の和:2188

約数の個数: 16

約数和(自身を含む): 25183872

約数和(自身を除く): 4629835

約数列:

[1, 7, 17, 83, 119, 581, 1411, 2081, 9877, 14567, 35377, 172723, 247639, 1209061, 2936291, 20554037]

約数ペア:

[(1, 20554037), (7, 2936291), (17, 1209061), (83, 247639), (119, 172723), (581, 35377), (1411, 14567), (2081, 9877)]